Petoskey may refer to a number of articles relating to the U.S. state of Michigan:
- Petoskey, Michigan, a city in Emmet County, in the Northern Lower Peninsula
- Petosegay, an Odawa chief
- Petoskey Downtown Historic District
- Petoskey Grocery Company Building
- Petoskey High School
- Petoskey Motor Speedway
- Petoskey News-Review
- Petoskey Public Works Utility Building
- Petoskey State Park
- Petoskey station
- Petoskey stone, a fossilized coral that is the state stone of Michigan